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ludmilkaskok [199]
2 years ago
9

*PICTURE ATTACHED* please help

Mathematics
1 answer:
KIM [24]2 years ago
4 0

Answer:

Step-by-step explanation:

10^0=1

10^-3 = 1/10^3

4.0=4

so : 1.72×10^0/4.0×10^-3 = (1.72× 10^3)/4 =430  

scientific notation is : 4.30× 10^2

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Please help me with this math!
STALIN [3.7K]
1. Alternate exterior angles

So, C

2.
180 = 76 + 2x
104 = 2x
52 = x

So, B

4.

4a. No
4b. Yes
4c. No
4d. Yes

5.
180 = 35 + 35 + 2x
180 = 70 + 2x
110 = 2x
55 = x

So, C.

7.

12/8 = 30/y

Cross multiply

12y = 240
y = 20

So, C

8. Alternate interior angles

So, A

9.

A C and D
6 0
3 years ago
Read 2 more answers
I need help with the circled ones
Fantom [35]
For number 7 what is the formula for volume of a cube
6 0
3 years ago
How did he get this 1/2i ? I dont remember studying this definition in calc 1 neither calc 2!
Hitman42 [59]
The i in the denominator is missing in the second expression. It should be

\sin at=\dfrac{e^{iat}-e^{-iat}}{2i}

This follows from

e^{iat}=\cos at+i\sin at
e^{-iat}=\cos at-i\sin at
\implies e^{iat}-e^{-iat}=2i\sin at
\implies \sin at=\dfrac{e^{iat}-e^{-iat}}{2i}
8 0
3 years ago
0.275÷0.25 with working<br> plsss its very urgent!!!!
nadya68 [22]

Answer:

ok

Step-by-step explanation: i explain wait for sometime

3 0
2 years ago
Please help me please please
zhannawk [14.2K]

Answer:

36

Step-by-step explanation:

3 0
2 years ago
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